(19)

(11)

EP 2 954 168 A2

(12)

(88) Date of publication A3: 31.12.2014 (43) Date of publication: 16.12.2015 Bulletin 2015/51 (21) Application number: 14787682.5 (22) Date of filing: 31.01.2014

(51) International Patent Classification (IPC):  F01D 5/14(2006.01) F02C 7/12(2006.01) F04D 29/58(2006.01) F01D 5/18(2006.01) F04D 29/38(2006.01) (86) International application number: PCT/US2014/013981 (87) International publication number: WO 2014/175937 (30.10.2014 Gazette 2014/44)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 05.02.2013 US 201361760795 P (71) Applicant: United Technologies Corporation Hartford, CT 06101 (US)	(72) Inventors: BLAKE, Mosheshe Camara-Khary Manchester, Connecticut 06040 (US) OSBORNE, Lisa K. Manchester, Connecticut 06042 (US) SLAVENS, Thomas N. Vernon, Connecticut 06066 (US) (74) Representative: Leckey, David Herbert  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)